Cita APA (7th ed.)

Sparnaay, L. D. (1992). Fourth international symposium on carnation culture. ISHS.

Cita Chicago (17th ed.)

Sparnaay, L. D. Fourth International Symposium on Carnation Culture. Wageningen: ISHS, 1992.

Cita MLA (9th ed.)

Sparnaay, L. D. Fourth International Symposium on Carnation Culture. ISHS, 1992.